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10101388 = 22111943281
BaseRepresentation
bin100110100010…
…001010001100
3201000012111111
4212202022030
510041221023
61000301404
7151601053
oct46421214
921005444
1010101388
11577a360
123471864
132128a6b
1414ad39a
15d4800d
hex9a228c

10101388 has 48 divisors (see below), whose sum is σ = 20845440. Its totient is φ = 4233600.

The previous prime is 10101373. The next prime is 10101397. The reversal of 10101388 is 88310101.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35808 + ... + 36088.

It is an arithmetic number, because the mean of its divisors is an integer number (434280).

Almost surely, 210101388 is an apocalyptic number.

It is an amenable number.

10101388 is an abundant number, since it is smaller than the sum of its proper divisors (10744052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10101388 is a wasteful number, since it uses less digits than its factorization.

10101388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358 (or 356 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 22.

The square root of 10101388 is about 3178.2680818332. The cubic root of 10101388 is about 216.1691347887.

Adding to 10101388 its reverse (88310101), we get a palindrome (98411489).

It can be divided in two parts, 101013 and 88, that added together give a palindrome (101101).

The spelling of 10101388 in words is "ten million, one hundred one thousand, three hundred eighty-eight".

Divisors: 1 2 4 11 19 22 38 43 44 76 86 172 209 281 418 473 562 817 836 946 1124 1634 1892 3091 3268 5339 6182 8987 10678 12083 12364 17974 21356 24166 35948 48332 58729 117458 132913 229577 234916 265826 459154 531652 918308 2525347 5050694 10101388